/*
 * The contents of this web application are subject to the Mozilla Public License Version 
 * 1.1 (the "License"); you may not use this web application except in compliance with 
 * the License. You may obtain a copy of the License at http://www.mozilla.org/MPL/.
 * 
 * Software distributed under the License is distributed on an "AS IS" basis, 
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 
 * for the specific language governing rights and limitations under the License.
 * 
 * The Original Code is owned by and the Initial Developer of the Original Code is 
 * Composite A/S (Danish business reg.no. 21744409). All Rights Reserved
 * 
 * Section 11 of the License is EXPRESSLY amended to include a provision stating 
 * that any dispute, including but not limited to disputes related to the enforcement 
 * of the License, to which Composite A/S as owner of the Original Code, as Initial 
 * Developer or in any other role, becomes a part to shall be governed by Danish law 
 * and be initiated before the Copenhagen City Court ("K�benhavns Byret")            
 */

using System;
using Composite.C1Console.Elements;
using Composite.C1Console.Security;
using Composite.C1Console.Trees;
using Composite.Core.Extensions;
using Composite.Core.Routing;
using Composite.Data;
using Composite.Data.Types;

namespace Composite.Community.Blog
{
    class BlogUrlToEntityTokenMapper: IUrlToEntityTokenMapper
    {
        private const string BlogTreeSource = "Composite.Community.Blog.Entries.xml";

        public string TryGetUrl(EntityToken entityToken)
        {
            var groupingEntityToken = entityToken as TreeDataFieldGroupingElementEntityToken;
            if (groupingEntityToken != null && groupingEntityToken.Source == BlogTreeSource)
            {
                object dateTimeObject;
                if (groupingEntityToken.ChildGeneratingDataElementsReferenceType == typeof (IPage)
                    && groupingEntityToken.DeserializedGroupingValues.TryGetValue("Date", out dateTimeObject))
                {
                    var pageId = (Guid) groupingEntityToken.ChildGeneratingDataElementsReferenceValue;
                    var page = PageManager.GetPageById(pageId);
                    if (page == null)
                    {
                        return null;
                    }

                    var date = (DateTime) dateTimeObject;
                    string pathInfo = "/{0}/{1}".FormatWith(date.Year, date.Month);

                    return PageUrls.BuildUrl(new PageUrlData(page) {PathInfo = pathInfo},
                        UrlKind.Public,
                        new UrlSpace {ForceRelativeUrls = true});
                }

                return null;
            }

            var treeElementEntityToken = entityToken as TreeSimpleElementEntityToken;
            if (treeElementEntityToken != null 
                && treeElementEntityToken.Source == BlogTreeSource 
                && treeElementEntityToken.Id == "Root")
            {
                var parentEntityToken = treeElementEntityToken.ParentEntityToken;

                var dataParent = parentEntityToken as DataEntityToken;
                if (dataParent != null && dataParent.InterfaceType == typeof (IPage))
                {
                    var page = dataParent.Data as IPage;
                    if (page != null)
                    {
                        return PageUrls.BuildUrl(new PageUrlData(page),
                            UrlKind.Public,
                            new UrlSpace { ForceRelativeUrls = true });
                    }
                }
            }

            return null;
        }

        public EntityToken TryGetEntityToken(string url)
        {
            return null;
        }
    }
}
